m_kavith
Member level 3
i m using mosfet irfp460. its dimension in datasheet is TO247AD. i m using orcad 9.1, in this drill size is 1.8mm. after printed the pcb (non masking board),drill size in my pcb is below 1mm only. like this i give 3mm drill for my capacitor but in my pcb, it is 1mm only what can i do to increase drill size.how?